List K
Points of the Outer Yff Triangle.
Points available at the Kimberling's Encyclopedia ETC.
The ETC version: The 8998 points version of 2015.
The "Discoverer" database version: October 2013.
Last update: 2016-04-29
  1. The X(1) Incenter of the Outer Yff Triangle is the X(1).
  2. The X(3) Circumcenter of the Outer Yff Triangle is the X(56).
  3. The X(4) Orthocenter of the Outer Yff Triangle is the X(1479).
  4. The X(5) Nine-Point Center of the Outer Yff Triangle is the X(496).
  5. The X(6) Symmedian Point of the Outer Yff Triangle is the X(613).
  6. The X(10) Spieker Center of the Outer Yff Triangle is the X(1210).
  7. The X(20) de Longchamps Point of the Outer Yff Triangle is the X(4299).
  8. The X(40) Bevan Point of the Outer Yff Triangle is the X(46).
  9. The X(55) Internal Center of Similitude of the Incircle and the Circumcircle of the Outer Yff Triangle is the X(8069).
  10. The X(109) of the Outer Yff Triangle is the X(1795).
  11. The X(119) of the Outer Yff Triangle is the X(11).
  12. The X(355) Center of the Fuhrmann Circle of the Outer Yff Triangle is the X(1837).